Final answer:
The correct option is B) query form. To find something in a database, one uses the query form, where a keyword is entered to search and retrieve matching results from the database.
Step-by-step explanation:
To locate something in a database, one would typically type the keyword into the query form of the application. The query form is designed to accept user input and search the database for records that match the criteria provided.
When you enter a keyword into the query form, the database management system performs a search and returns any matching results. This makes the query form an essential tool for data retrieval in various database applications.